import unittest

from tools.step_service.step_tree import normalize_deleted_paths


class StepTreeTests(unittest.TestCase):
    def test_parent_path_removes_redundant_children(self):
        self.assertEqual(
            normalize_deleted_paths(["0/1", "0", "1/0", "1/0/2"]),
            ["0", "1/0"],
        )


if __name__ == "__main__":
    unittest.main()